Java tutorial
//package com.java2s; import android.util.Log; public class Main { public static String getVideo2gifCommand(long start, long length, int frame, String sourcePath, String outPath, int width, int height) { StringBuilder command = new StringBuilder("-ss "); command.append(start); command.append(" -t "); command.append(length); command.append(" -i "); command.append(sourcePath); command.append(" -s "); command.append(width + "x" + height); command.append(" -f "); command.append("gif"); command.append(" -r "); command.append(frame); command.append(" "); command.append(outPath); Log.i("broncho", "command = " + command.toString()); return command.toString(); } }